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Cap City
Cap City
Boulogne-Billancourt, France
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Other Projects by PPA architectures
Cap City
Boulogne-Billancourt, France
Firm
STATUS
Built
YEAR
2016
SIZE
25,000 sqft - 100,000 sqft
BUDGET
$5M - 10M
SITE
Following the closure of the Renault car factories, the designated urban development area, ZAC Ile Seguin Rives de Seine, in Boulogne Billancourt, on the western edge of Paris, consists of the areas freed by the demolition of buildings on the eastern extremity of the island of Ile Seguin in the Seine, and in the adjacent areas of Boulogne Billancourt.
The triangular plot Yc, which is part of the larger plot Y, is the site for three separate projects grouped around a shared central area. Bordered to the west by Rue de Meudon and to the north by Rue Marcel Bontemps, the site contains two separate housing projects.
MASSING
The project comprises one continuous built volume with two wings. The north wing runs along Rue Marcel Bontemps. The south wing, along Rue de Meudon, folds in to create a recess, the pavement widening to mark the entrance into the building and the passageway that leads through to the centre of the block. Here, the development zone policy requires that the internal garden be open to the public during the day. Two halls lead off the access passageway; enclosed by perforated screens, so open to the air, they house the apartments’ communal facilities. Adhering to development plans, the massing of the project is formed of two volumes divided horizontally: from the ground floor to fourth floor, one shared volume is dimensioned to ensure continuity with neighbouring buildings; the three upper floors of the building are set back and form an attic for each of the wings. All the recessed areas are developed as private outdoor space.
UNIT TYPES
Following the massing, the apartments are specifically designed according to their position within the vertical composition. The ground-floor ceiling height is 4.3m, enabling the integration of a mezzanine in the two-room apartments. Privacy is maximised by raising the floor level in the apartments, by distancing windows from the street and by the entrance arrangements. On the standard levels, there are different apartment types: single-orientation, full-width, or L-shaped, making the most of the views and orientations. In the upper levels large spaces are favoured in the single- or double-storey apartments, double or triple-exposure, and benefitting from generous balconies, patios and roof-terraces.
ORIENTATION
Each facade is different according to its situation. The ‘filtering’ facade on Rue de Meudon, the western side, is capped by running balconies. The reflections from a checkerboard of polished, perforated sheets of heat-strengthened stainless steel create a first layer, a filter from the street. Sliding panels in front of the windows can be opened and closed for privacy and solar protection. On the ground floor, the same sheets of stainless steel form a screen that is extended in towards the centre of the block. The perforations in this screen make the passageway appear wider, providing transparency as well as natural ventilation to the loggias and entrance halls. The ‘grid’ facade on Rue Marcel Bontemps is characterised by its simplicity. Flush with the external surface, its windows are over-sized to benefit from the gentle north light. At the corner, the two facades meet, accentuating the differences in the two roads. At the centre of the city block, the facade is structured by large horizontal frames carrying sliding shutters for solar-shading and privacy
The roof-terraces are fully accessible to residents. Little blockwork roof-top constructions at the centre house the services, minimising acoustic and visual impact. Large, planted beds complete the experience.
Team
Xavier Leplaë architecte, PPA architectures (designers)
Photos © Philippe Ruault
Following the closure of the Renault car factories, the designated urban development area, ZAC Ile Seguin Rives de Seine, in Boulogne Billancourt, on the western edge of Paris, consists of the areas freed by the demolition of buildings on the eastern extremity of the island of Ile Seguin in the Seine, and in the adjacent areas of Boulogne Billancourt.
The triangular plot Yc, which is part of the larger plot Y, is the site for three separate projects grouped around a shared central area. Bordered to the west by Rue de Meudon and to the north by Rue Marcel Bontemps, the site contains two separate housing projects.
MASSING
The project comprises one continuous built volume with two wings. The north wing runs along Rue Marcel Bontemps. The south wing, along Rue de Meudon, folds in to create a recess, the pavement widening to mark the entrance into the building and the passageway that leads through to the centre of the block. Here, the development zone policy requires that the internal garden be open to the public during the day. Two halls lead off the access passageway; enclosed by perforated screens, so open to the air, they house the apartments’ communal facilities. Adhering to development plans, the massing of the project is formed of two volumes divided horizontally: from the ground floor to fourth floor, one shared volume is dimensioned to ensure continuity with neighbouring buildings; the three upper floors of the building are set back and form an attic for each of the wings. All the recessed areas are developed as private outdoor space.
UNIT TYPES
Following the massing, the apartments are specifically designed according to their position within the vertical composition. The ground-floor ceiling height is 4.3m, enabling the integration of a mezzanine in the two-room apartments. Privacy is maximised by raising the floor level in the apartments, by distancing windows from the street and by the entrance arrangements. On the standard levels, there are different apartment types: single-orientation, full-width, or L-shaped, making the most of the views and orientations. In the upper levels large spaces are favoured in the single- or double-storey apartments, double or triple-exposure, and benefitting from generous balconies, patios and roof-terraces.
ORIENTATION
Each facade is different according to its situation. The ‘filtering’ facade on Rue de Meudon, the western side, is capped by running balconies. The reflections from a checkerboard of polished, perforated sheets of heat-strengthened stainless steel create a first layer, a filter from the street. Sliding panels in front of the windows can be opened and closed for privacy and solar protection. On the ground floor, the same sheets of stainless steel form a screen that is extended in towards the centre of the block. The perforations in this screen make the passageway appear wider, providing transparency as well as natural ventilation to the loggias and entrance halls. The ‘grid’ facade on Rue Marcel Bontemps is characterised by its simplicity. Flush with the external surface, its windows are over-sized to benefit from the gentle north light. At the corner, the two facades meet, accentuating the differences in the two roads. At the centre of the city block, the facade is structured by large horizontal frames carrying sliding shutters for solar-shading and privacy
The roof-terraces are fully accessible to residents. Little blockwork roof-top constructions at the centre house the services, minimising acoustic and visual impact. Large, planted beds complete the experience.
Team
Xavier Leplaë architecte, PPA architectures (designers)
Photos © Philippe Ruault
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